[PATCH 02/12] riscv: Enable VDSO for static linking

Adhemerval Zanella adhemerval.zanella@linaro.org
Fri Aug 2 12:34:00 GMT 2019


Ping.

On 14/06/2019 12:28, Adhemerval Zanella wrote:
> Checked on riscv64-linux-gnu-rv64imafdc-lp64d qemu system with
> some static tests.
> 
> 	[BZ #19767]
> 	* sysdeps/unix/sysv/linux/riscv/init-first.c: Remove #ifdef SHARED.
> 	* sysdeps/unix/sysv/linux/riscv/libc-vdso.h: Likewise.
> 	* sysdeps/unix/sysv/linux/riscv/sysdep.h (ALWAYS_USE_VSYSCALL):
> 	Define.
> ---
>  sysdeps/unix/sysv/linux/riscv/init-first.c | 8 +++-----
>  sysdeps/unix/sysv/linux/riscv/libc-vdso.h  | 6 +-----
>  sysdeps/unix/sysv/linux/riscv/sysdep.h     | 3 +++
>  3 files changed, 7 insertions(+), 10 deletions(-)
> 
> diff --git a/sysdeps/unix/sysv/linux/riscv/init-first.c b/sysdeps/unix/sysv/linux/riscv/init-first.c
> index 8134c79695..98a8ce33ad 100644
> --- a/sysdeps/unix/sysv/linux/riscv/init-first.c
> +++ b/sysdeps/unix/sysv/linux/riscv/init-first.c
> @@ -17,9 +17,8 @@
>     License along with the GNU C Library; if not, see
>     <http://www.gnu.org/licenses/>.  */
>  
> -#ifdef SHARED
> -# include <dl-vdso.h>
> -# include <libc-vdso.h>
> +#include <dl-vdso.h>
> +#include <libc-vdso.h>
>  
>  long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *)
>      attribute_hidden;
> @@ -52,7 +51,6 @@ _libc_vdso_platform_setup (void)
>    VDSO_SYMBOL (clock_getres) = p;
>  }
>  
> -# define VDSO_SETUP _libc_vdso_platform_setup
> -#endif
> +#define VDSO_SETUP _libc_vdso_platform_setup
>  
>  #include <csu/init-first.c>
> diff --git a/sysdeps/unix/sysv/linux/riscv/libc-vdso.h b/sysdeps/unix/sysv/linux/riscv/libc-vdso.h
> index b0c46f3cb7..2373292ab9 100644
> --- a/sysdeps/unix/sysv/linux/riscv/libc-vdso.h
> +++ b/sysdeps/unix/sysv/linux/riscv/libc-vdso.h
> @@ -20,9 +20,7 @@
>  #ifndef _LIBC_VDSO_H
>  #define _LIBC_VDSO_H
>  
> -#ifdef SHARED
> -
> -# include <sysdep-vdso.h>
> +#include <sysdep-vdso.h>
>  
>  extern long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *)
>      attribute_hidden;
> @@ -33,6 +31,4 @@ extern long int (*VDSO_SYMBOL (clock_gettime)) (clockid_t, struct timespec *)
>  extern long int (*VDSO_SYMBOL (clock_getres)) (clockid_t, struct timespec *)
>      attribute_hidden;
>  
> -#endif
> -
>  #endif /* _LIBC_VDSO_H */
> diff --git a/sysdeps/unix/sysv/linux/riscv/sysdep.h b/sysdeps/unix/sysv/linux/riscv/sysdep.h
> index 5470ea3d2a..caf013a9a1 100644
> --- a/sysdeps/unix/sysv/linux/riscv/sysdep.h
> +++ b/sysdeps/unix/sysv/linux/riscv/sysdep.h
> @@ -19,6 +19,9 @@
>  #ifndef _LINUX_RISCV_SYSDEP_H
>  #define _LINUX_RISCV_SYSDEP_H 1
>  
> +/* Always enable vsyscalls on riscv */
> +#define ALWAYS_USE_VSYSCALL 1
> +
>  #include <sysdeps/unix/sysv/linux/generic/sysdep.h>
>  #include <tls.h>
>  
> 



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